Who unseated truman as the democratic presidential nominee in 1952?

lincoln declared that slavery should not be allowed to spread into the new states, and of course this angered the south at the time.

in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".